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北京石油化工学院2026年研究生招生接收调剂公告
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guizi2005

新虫 (初入文坛)

[求助] 希望好心的人,帮我翻译一下这段文字,毕业急发文章需要的摘要~~~小妹在这里跪谢 !

通过测定并分析不同种植年限(种植1a,3a,4a,5a及8a)人工苜蓿草地苜蓿叶片、茎秆及0~20cm土壤中C、N、P含量及其化学计量比,研究了种植年限对人工苜蓿草地土壤及植物养分含量及其化学计量比的影响。结果表明:1)0~20cm土壤C、N含量随种植年限的增加,呈先增后减的趋势,P含量与之相反,各年限间有显著差异(P<0.05),土壤C∶N及C∶P呈现出“金字塔”分布模式。2)随种植年限的增加,苜蓿叶片C含量总体呈下降趋势,P含量呈先增后降趋势,茎各养分的变化规律与土壤养分变化规律相似,变化幅度小于叶片养分。叶片与茎的C及N的变化规律均与相应P含量的变化一致。3)苜蓿叶片N:P及C:P与叶片P含量呈显著负相关,与叶片N含量无显著相关性,土壤P与茎的C、N、P及化学计量特征均有一定相关性。

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befair

铁杆木虫 (正式写手)

【答案】应助回帖

你好,看你比较着急,但因为不是这个专业的,翻起来难以专业。如果你还需要帮助的话,可否先给出大部分专业词汇,大家可以帮助你组织起结构来?
Befairorbeaware
2楼2013-10-25 20:20:40
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leilejiayou

木虫 (正式写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
guizi2005: 金币+10, 翻译EPI+1, ★★★很有帮助, 谢谢啦~ 2013-11-04 14:52:54
By measuring and analyzing content and stoichiometry of  C, N, P in different planting years (planting 1a, 3a, 4a, 5a and 8a) artificial on alfalfa grasslands alfalfa leaf, stem and 0 ~ 20cm soil ,  study the effect planting period caused for soil and plant nutrient content and their stoichiometric in ratioartificial alfalfa. The results show that: 1) in the 0 ~ 20cm soil content of C, N  increased with the increase of planting years, increased first and then decreased, P content in contrast, owning significant difference between age (P <0.05), in soil C: N and C: P showing a "pyramid" distribution pattern. 2) With the increase of years of planting, alfalfa leaf content of C  overall downward in trend, content of P increased first and then decreased, the variation of each nutrient of stem is similar to soil nutrient variation,and smaller than the nutrient variations of  leaf . the C and N of leaves and stems with the corresponding variation of P content were consistent with the change. 3) in alfalfa leaf N: P and C: P were significantly negatively correlated with leaf P content  , owning no significant correlation with leaf N content , soil P and the stems of C, N, P, and stoichiometry have a certain relevance.
非专业,仅供参考
既然选择了,就坚持下去!
3楼2013-10-29 13:36:34
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wohuihao

禁虫 (职业作家)

本帖内容被屏蔽

4楼2013-10-29 14:48:30
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octagonchem

捐助贵宾 (正式写手)


感觉也不太难啊……
5楼2013-10-29 17:07:53
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